By Sheetal Kumari | October 06, 2025
The biggest brain of any fish, manta rays demonstrate problem-solving ability, self-awareness, and even social understanding in their water behavior.
Image: Canva
Tiny fish that recognise themselves in mirrors and form cooperative bonds by cleaning parasites off other fish.
Image: Canva
This fish has renowned memory and navigation ability and uses weak electric fields to talk and search around.
Image: Canva
Renowned for spitting accurate plumes of water to dislodge insects, archerfish acquire and refine their aim by observation and experience.
Image: Canva
Strategic and highly social, cichlids exhibit parental care, sophisticated mating rituals, and impressive adaptability in a changeable environment.
Image: Canva
Gobies learn tidal cycles and bound between tide pools with precision, exhibiting advanced spatial memory and rapid decision-making.
Image: Canva
These vibrant reef inhabitants construct mucus “sleeping bags” for protection and exhibit a sophisticated social hierarchy demonstrating intelligence and cooperation.
Image: Canva
Goldfish have excellent memory abilities, learning tricks, recognizing faces, and solving mazes, contrary to myth.
Image: Canva
Killifish learn rapidly and adjust quickly to changing circumstances, with problem-solving abilities and astounding learning capabilities under adverse conditions.
Image: Canva
Rainbow trout have robust memory and learning, routinely solving puzzles during laboratory tests and adjusting hunting techniques in the wild.
Image: Canva